Home / 5,141.48-7,087.80-3,370.01

Finding the Fourth Proportional to 5,141.48, 7,087.80 and 3,370.01

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Solution

The fourth proportional to 5,141.48, 7,087.80 and 3,370.01 is: 4,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.48 : 7,087.80 = 3,370.01 : x
  2. Step 2: Convert to fraction form
    5,141.48/7,087.80 = 3,370.01/x
  3. Step 3: Cross multiply
    5,141.48x = 7,087.80 × 3,370.01
  4. Step 4: Simplify right side
    5,141.48x = 23,885,921.44
  5. Step 5: Solve for x
    x = 23,885,921.44/5,141.48
  6. Step 6: Final answer
    x = 4,645.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.